#!/usr/bin/env bun
process.title = "vellum-daemon";

import { homedir } from "node:os";
import { join } from "node:path";

import { getLogger } from "../util/logger.js";
import { getDataDir } from "../util/platform.js";
import { runDaemon } from "./lifecycle.js";
import { emitDaemonError } from "./startup-error.js";

runDaemon().catch((err) => {
  // Try structured log first; fall back to console.error because
  // startDaemon() captures the child process's stderr to surface error
  // details to the parent process.
  try {
    const log = getLogger("daemon-main");
    log.fatal({ err }, "Failed to start daemon");
  } catch {
    // Logger may not be initialized yet
  }
  console.error("Failed to start assistant:", err);
  console.error(
    `Troubleshooting: check if another assistant is already running, verify ${join(homedir(), ".vellum")} permissions, and review logs at ${getDataDir()}/logs/`,
  );
  // Emit a structured error line as the last line of stderr so consumers
  // (e.g. the macOS app) can parse it reliably.
  emitDaemonError(err);
  process.exit(1);
});